The field of specialization of famous Muslim scientist Abu Usman Aljahiz was? Options: A. BotanyB. ZoologyC. AstronomyD. None View Answer B. Zoology
The fluid part of blood is known as __________? Options: A. plasmaB. plateletsC. blood cellsD. None of these View Answer A. plasma
According to Big Bang Theory, the Universe began about __________ billion years ago. Options: A. 10 B. 20 C. 30 D. 40 View Answer A. 10
The gas, commonly known as Options: A. Carbon DioxideB. Sulfur DioxideC. Nitrous OxideD. Sodium Oxide View Answer C. Nitrous Oxide
Copper can be converted into gold by ? Options: A. Artificial radioactivityB. heatingC. ElectroplatingD. Chemical reaction View Answer A. Artificial radioactivity
The name of the common mineral salt present in sweat is ? Options: A. Calcium OxalateB. Potassium SulphateC. Sodium ChlorideD. Iron Sulphate View Answer C. Sodium Chloride
Hygrometer is used for measuring the ____________? Options: A. Speed of soundB. Density of milkC. Humidity of airD. Specific gravity of liquids View Answer C. Humidity of air
Which of the following atmospheric layers help in radio communication? Options: A. ExosphereB. IonosphereC. TroposphereD. Stratosphere View Answer B. Ionosphere
It is possible to recognize a person in the dark by simply hearing his unique voice . It is because of the_______? Options: A. pitchB. FrequencyC. Time periodD. Quality View Answer A. pitch